Classificatie
Animalia [koninkrijk]Arthropoda [superfylum]
Mandibulata [fylum]
Hexapoda [superklasse]
Insecta [klasse]
Pterygota [onderklasse]
Coleoptera [orde]
Polyphaga [onderorde]
Staphyliniformia [infraorde]
Hydrophiloidea [onderklasse]
Hydrophilidae [familie]
Helochares [genus]
Helochares obscurus [species]